Device for the manufacture of extrusion press bricks having the appearance of cast bricks



M. J, s NGER 2,675,596 DEVICE FOR THE MANUFACTURE 0F EXTRUSION PRESS BRICKS HAVING T E OF CAST BRICKS Filed 0G12. 2, 1951 Patented Apr. 2Q, 1954 UNITED STATES PATENT OFFICE Application October 2, 1951, Serial No. 249,342

Claims priority, application Netherlands October 2, 1950 6 Claims. (Cl. 25-1) As the strand is pressed out through a mouth piece and is then cut up, extrusion press bricks As a rule two horizontally and two vertically arranged rollers with turnings or coils will be sumers object to their use, 10 has the largest area (i. e. the plane perpendicular is the main object of this invention to d. provide a devlce Kby which extrusion press bricks stantly. metal turnings 4, treating the upper surface of In the British patent specification No. 195,280 the SIaDd- Number 5 is a smoothly surfaced a device is described by which a thin layer 0f the roller which serves to partly flatten the incisions.

surface is cut oi from the strand, which thin ROHSIS Supporting the Strand are represented by number 6.

In Figure 2 the roller is indicated with 3; metal known to treat the surface 0f the turnings or coils 4 are fastened to the surface of said roller.

provide to the surface a somewhat rough appear- 40 I Claim? According strand is treated wlth rollers covered with metal 2- In an apparatus QI leatlllg the Surface 0I arranged and secured to the surface of said roller, at least some of said springs being of diierent deviating movements against the strand. These tension.

manufactured in this way have the same varied of extrusion press bricks, in combination, a roller;

appearance as cast bricks. The metal turnings do not only press into the clay but have also arranged and secured to the surface of said a carving eiect, causing irregular incisions in roller, at least some of said springs having conV- volutions at diierent distances apart than the 6. In an apparatus for treating the surface of convolutions of the other of said springs. extrusion press bricks, inroombination, a smooth 4. In an apparatus for treating the surface surfaced roller; and a plurality of helical springs of extrusion press bricks, in combination, a roller; haphazardly arranged and secured to the surface and a plurality of helical springs haphazardly 5 of said roller. arranged and secured to the surface of said roller,

at least some of said springs having a different Refelelles Cte in the file 0f this patent tension and having convolutions at dierent dis- UNITED STATES PATENTS gnscsdasppairslxan the convolutions of the other mi Number Name Date A 519,773 Pride May 15, 1894 5. In an apparatus for treating the surface of 1 825 938 Brand Oct' 6 1931 extrusion press bricks, in combination, a roller; and a plurality of helical springs haphazardly FOREIGN PATENTS arranged and secured to the surface of said roller Number Country Date at each end of each of said springs. 1D 4041594" vGreat Britain Jan. 25, 1934 

